E-4780 K&N Replacement Industrial Air Filter

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E-4780
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Replacement Industrial Air Filter
The K&N E-4780 replacement air filter is designed to increase horsepower and acceleration by reducing restriction and increasing air flow to your engine. The E-4780 is made with layers of woven cotton that offer superior filtration and can be washed and reused repeatedly. K&N replacement air filters can go up to 50,000 miles before cleaning is required, depending on driving conditions. The E-4780 is easy to install and is custom designed to fit right into the factory air box of select IMPCO industrial engines, as well as other applications.
  • Washable and reusable
  • Designed for industrial applications
  • Ease of maintenance
  • Superior filtration protects the engine
  • Easy to install
  • Lasts up to 50,000 miles before cleaning is, depending on driving conditions
Filter MaterialCotton Gauze
Height6.625 in (168 mm)
Inner WireNo
Inside Diameter7 in (178 mm)
Outside Diameter9 in (229 mm)
Top StyleOpen
Top MaterialNone
Air Filter ShapeRound
FlangesNone
Package Contents1 Air Filter
Package Quantity1
Warranty1 Year Limited
WashableYes
Product StyleRound Air Filter
Weight2 lb (0.9 kg)
Filter Re-Oiling Amount2.46 oz (73 ml)
Product Box Height7.75 in (197 mm)
Product Box Length10.38 in (264 mm)
Product Box Width10.38 in (264 mm)
Cross References
IMPCO F114

Warning: Cancer & Reproductive Harm – P65Warnings.ca.gov

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50 years of improving vehicle performance.

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Our Story

Why K&N?

K&N is the home of the original red oiled air filter. In the early 1960s, two motorcycle racers, Ken Johnson and Norm McDonald (K&N), developed a ground-breaking new idea for an oiled air filter. Five decades later, K&N® is still innovating industry-leading filtration technology, and offers outstanding protection for everything from top-fuel dragsters to commuter vehicles across the globe. Thank you for helping us reach 50 years in business!

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